Correct me if i'm wrong. RGB = 256*256*256 = 16,777,216 CMYK = 100*100*100*100 = 100,000,000
2016-04-16 23:12 GMT+02:00 Troy Sobotka <[email protected]>: > There is no such thing as “CMYK” any more than “RGB” is. > > In the same way that RGB defines three uniquely coloured lights for each of > red, green, and blue, so too does CMYK define a unique ink for cyan, > magenta, yellow, and black. In addition to this, you have to factor in the > colour of the paper, the ink response to paper, and light source. > > Given the above, there is no single method to convert to CMYK, and anyone > that tells you so is an idiot. > > There _is_ a method to properly do so has been around for a while; ICCs. > > If you would like to take something from Blender to print, there is only > one advisable method to do so (assuming you are using the default > configuration): > > 1) Tag / Attach an sRGB v2 profile to your rendered output. > 2) Use another tool to convert and prepare your image for print using the > proper ICC profile of your chosen printer. This considers the ink colours, > total area coverage of the printer (TAC), black point compensation (BPC), > etc. All of this will be in the ICC profile of your printer. > > Typically these days, for non professional printing, the print houses will > simply require you to ship your image in RGB with the colour space > information attached, which step (1) above would do. Preparing a document > ready for professional grade printing / rasterizing would require going a > step further and using the tagged image in a tool such as Scribus or > InDesign. > > TL;DR: There is no way to properly prepare an RGB image for print properly > from within software without leveraging proper and unique ICCs for each > printing context. Though beyond Blender's scope proper, it is painless with > a little knowledge and an external tool. > > With respect, > TJS > > On Sat, Apr 16, 2016, 10:06 AM Knapp <[email protected]> wrote: > > > Perhaps you can open it in Krita and save as PS format? I know that Krita > > can read PS format files but I am not sure about saving them. In any case > > you might want to just switch to Krita. > > > > On Sat, Apr 16, 2016 at 2:11 PM, Jens Verwiebe <[email protected]> > > wrote: > > > > > Hmm > > > > > > I darkly remember i added one day psd format ( to oiio ? ) on mac ? > > > Or was it only import or i muddled somemething cause it was long time > > ago ? > > > Dalai was envolved too, so perhaps ask him if he remebers. > > > > > > Jens > > > > > > > > > Am 16.04.2016 um 10:45 schrieb Siva: > > > > Hi Stephen > > > > > > > > As far as I know > > > > not only blender, renders from any 3d Software is going to suffer the > > > same fate, when it comes to CMYK printing > > > > there is no software which renders to CMYK > > > > > > > > renders are very similar to photographs, they are stored internally > in > > > RGB and are not designed for CMYK > > > > > > > > like Bastien rightly said, exr would preserver all the data and hence > > > might ease your conversion process. > > > > > > > > Your printing people might be able to help you in easy and right > > > conversion process. > > > > > > > > and an addon to convert psd is again going to give you a PSD file in > > RGB > > > colorspace not CMYK. So technically there is not going to be any > > difference > > > > > > > > this is one of the articles about the topic > > > > http://forums.cgsociety.org/showthread.php?t=58907 > > > > > > > > regards > > > > Sivaprasad Velayudhan > > > > Director - Operations > > > > Mob: +91 99400 14644 > > > > Mail: [email protected] > > > > > > > > Realworks Studios India Pvt Ltd., > > > > 7/1, V.S.K. Building, Thondamuthur Road, Vadavalli > > > > Coimbatore - 641041 > > > > Tamil Nadu > > > > India. > > > > > > > > ----- Original Message ----- > > > > > > > > From: "Bastien Montagne" <[email protected]> > > > > To: [email protected] > > > > Sent: Saturday, April 16, 2016 1:10:05 PM > > > > Subject: Re: [Bf-committers] Big Blender User!! > > > > > > > > I’d have expected EXR to be the format of choice here (assuming - and > > > > hoping - photoshop does open that format, either natively or through > > > > plugins)? Being an HDR floating point format, it should allow for any > > > > kind of color conversion with (nearly) no loss of quality. And it can > > > > store several render passes separately, which can also be quite > useful > > > > in post-process afaik… > > > > > > > > Le 16/04/2016 08:49, David McSween a écrit : > > > >> Perhaps cmyk conversion is hard but I wonder if you could apply a > lut > > > via > > > >> color managment before saving? > > > >> On 16 Apr 2016 4:06 pm, "Stephen Keeling" <[email protected]> > > > wrote: > > > >> > > > >>> My name is Stephen and I use Blender every day for personal use and > > > >>> business. I love Blender's open interface and customization that is > > > >>> available. The one thing I really am hoping to see every day is an > > add > > > on > > > >>> or system update that supports exporting or saving my blend file > into > > > a PSD > > > >>> instead of tiff or jpg or png. Adding a Photoshop add on or system > > > update > > > >>> would be extremely helpful!!!! For my business, I normally need to > > > convert > > > >>> every project into CMYK for print and that is where the colors of > the > > > RGB > > > >>> jpg are really screwed up and I spend hours recoloring my entire > > > Blender > > > >>> creation. Creating a PSD export would bypass all of this time and > > would > > > >>> help when trying to print any creation made in Blender. > > > >>> Thank you for your time and please consider this simple > add-on!!!!!! > > > >>> _______________________________________________ > > > >>> Bf-committers mailing list > > > >>> [email protected] > > > >>> https://lists.blender.org/mailman/listinfo/bf-committers > > > >>> > > > >> _______________________________________________ > > > >> Bf-committers mailing list > > > >> [email protected] > > > >> https://lists.blender.org/mailman/listinfo/bf-committers > > > >> > > > > _______________________________________________ > > > > Bf-committers mailing list > > > > [email protected] > > > > https://lists.blender.org/mailman/listinfo/bf-committers > > > > > > > > _______________________________________________ > > > > Bf-committers mailing list > > > > [email protected] > > > > https://lists.blender.org/mailman/listinfo/bf-committers > > > > > > -- > > > > > > Jens Verwiebe > > > Allerskehre 44 - 22309 Hamburg > > > > > > Tel.: +49 40 67 78 50 > > > mobile: +49 172 400 49 07 > > > mailto: [email protected] > > > web: http://www.jensverwiebe.de > > > > > > _______________________________________________ > > > Bf-committers mailing list > > > [email protected] > > > https://lists.blender.org/mailman/listinfo/bf-committers > > > > > > > > > > > -- > > Douglas E Knapp, MSAOM, LAc. > > _______________________________________________ > > Bf-committers mailing list > > [email protected] > > https://lists.blender.org/mailman/listinfo/bf-committers > > > _______________________________________________ > Bf-committers mailing list > [email protected] > https://lists.blender.org/mailman/listinfo/bf-committers > _______________________________________________ Bf-committers mailing list [email protected] https://lists.blender.org/mailman/listinfo/bf-committers
